THULE DORIS site description form 0. Form Prepared by : SIMB (DORIS installation and maintenance department) Date prepared : 6/05/2004 Report type : UPDATE 1. Site location information Site name : THULE Site DOMES number : 43001 Host agency : KMS City : Thule Air Force base State or province : Greenland Country : DENMARK (Greenland) Tectonic plate : Geological information : Geographical coordinates (ITRF) : North Latitude : 76 deg 32' 15'' East Longitude : -68 deg 49' 25'' Ellipsoid height : 40 m Approximate altitude : 23 m 2. DORIS antenna and reference point information 2.1 Four character ID : THUB Antenna model : Starec 52291 type Antenna serial number : 95 IERS DOMES number : 43001S005 CNES/IGN number : 430011 CTDP number : 226 Date installed (dd/mm/yy): 28/09/2002 Date removed (dd/mm/yy) : Antenna support type : two-meter high, 32 cm sided metal tower Installed on : 0.3 m thick concrete pad, founded 1.7 m deep in : the permafrost Height above ground mark : 2.433 m Ground mark type : Domed brass bolt Ground mark DOMES number : 43001 Notes : Starec 52291 type antenna number 79 removed on : 15/11/2002. 3. DORIS beacons information 3.1 Beacon serial number : 28 19 012 Beacon model : 3.0 USO serial number : 3.268 4 Char. ID of the REF point : THUB Date installed (dd/mm/yy) : 27/09/2002 Date removed (dd/mm/yy) : 4. ITRF coordinates and velocities of the current DORIS ref. point (THUB) Solution : ITRF2000 frame (connection to the IGS station THU3) Epoch : 1997.0 X = 538110.68 m Y = -1389031.33 m Z = 6180994.48 m Sig X = 0.01 m Sig Y = 0.01 m Sig Z = 0.01 m VX = -0.0217 m/y VY = -0.0041 m/y VZ = 0.0033 m/y Sig VX = 0.0002 m/y Sig VY = 0.0003 m/y Sig VZ = 0.0010 m/y 5. IERS colocation information 5.1 Instrument type : GPS Status : Permanent DOMES number of the instrument ref. point : 43001M002 Notes : IGS station THU3 6. Tide Gauge colocation information 6.1 Name : Thule Location : Thule harbour GLOSS number : Distance : 450 m Notes : 7. Local site ties 7.1 Point description : DORIS mark on concrete pad DOMES number : Differential components from the current DORIS ref. point (THUB) to the above point (in the ITRS) : dX (m) : -0.205 dY (m) : 0.528 dZ (m) : -2.366 Accuracy (m) : 0.001 Date measured : 09/2002 Additional information : Survey by KMS and IGN-F 7.2 Point description : IGS station "THU3": bolt on concrete pillar DOMES number : 43001M002 Differential components from the current DORIS ref. point (THUB) to the above point (in the ITRS) : dX (m) : -16.946 dY (m) : -56.670 dZ (m) : -15.283 Accuracy (m) : 0.001 Date measured : 09/2002 Additional information : Survey by KMS and IGN-F 7.3 Point description : Mark "THX4" on concrete block near tide gauge DOMES number : Differential components from the current DORIS ref. point (THUB) to the above point (in the ITRS) : dX (m) : -379.759 dY (m) : -235.362 dZ (m) : -41.834 Accuracy (m) : 0.002 Date measured : 09/2002 Additional information : Survey by KMS and IGN-F 8. Meteorological Instrumentation 8.1 Humidity sensor Model : HMP45D Manufacturer : VAISALA Accuracy : .+/- 3 percents Notes : 8.2 Pressure sensor Model : PTU200 class B Manufacturer : VAISALA Accuracy : +/- 0.25 mb Height : - 0.3 m above the current DORIS ref. point (THUB) Notes : long term stability = +/- 0.1 mb/year 8.3 Temperature sensor Model : HMP45D Manufacturer : VAISALA Accuracy : +/- 0.5 deg C Notes : 9. DORIS network contacts Primary contact: Name : Herve FAGARD Agency : Institut Geographique National Mailing address : Service de Geodesie et de Nivellement : 2 Avenue PASTEUR : 94165 SAINT-MANDE CEDEX FRANCE Telephone : + 33 1 43 98 81 48 Fax : + 33 1 43 98 84 50 E-mail : herve.fagard@ign.fr Secondary contact: Name : Francois BOLDO Agency : Institut Geographique National Mailing address : CNES (ED/AL/MA) : 18 Avenue Edouard BELIN : 31401 TOULOUSE Cedex FRANCE Telephone : + 33 5 61 27 40 72 Fax : + 33 5 61 28 25 95 E-mail : Simb.Doris@cnes.fr